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Finding the Fourth Proportional to 60,297.40, 90,422.91 and 28,683.10

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Solution

The fourth proportional to 60,297.40, 90,422.91 and 28,683.10 is: 43,013.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,297.40 : 90,422.91 = 28,683.10 : x
  2. Step 2: Convert to fraction form
    60,297.40/90,422.91 = 28,683.10/x
  3. Step 3: Cross multiply
    60,297.40x = 90,422.91 × 28,683.10
  4. Step 4: Simplify right side
    60,297.40x = 2,593,609,369.82
  5. Step 5: Solve for x
    x = 2,593,609,369.82/60,297.40
  6. Step 6: Final answer
    x = 43,013.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.